Extremely easy to use receptacle tester for use on 110~125VAC circuits. Just plug in to outlet and watch light patterns to detect faulty wiring in 3-wire receptacles. Shows open ground, open neutral, open hot, reverse and correct wiring.

The GT-10GFI Polarity Cube is designed to trouble shoot typical 3-wire 120VAC grounded outlets and GFCI receptacles. Provides indication that wiring is correct or incorrect with a visual light sequence. Unit is ergonomically designed for comfortable fit in hand...

For use on 110~125VAC receptacles. Detects common wiring problems in standard and GFCI outlets. To test, simply plug into receptacle and observe the light pattern. Push the yellow button to test operation of ground fault receptacle.

The GT-10 Polarity Cube is designed to trouble shoot typical 3-wire 120VAC grounded outlets. Provides indication that wiring is correct or incorrect with a visual light sequence. Unit is ergonomically designed for comfortable fit in hand.

I am very pleased with my experience with MCM. The website was easy to use, and has some very competitive prices. My order was shipped very quickly and I received my order less than a week after I placed it.